Subject
Computer Science
Topic
Computer Hardware
In USB, which power delivery feature negotiates higher voltages and currents?
In USB, which power delivery feature negotiates higher voltages and currents?
ক)
USB Battery Charging 1.2 onlyখ)
USB Power Delivery (USB-PD)গ)
SBC (Single Board Charging)ঘ)
Passive cable senseExplanation
USB-PD uses a negotiation protocol over CC lines to agree on voltage/current profiles. It enables up to 100W+ with USB-C, powering laptops and hubs. BC 1.2 is older and limited to 1.5A/5V discovery. Proper e-marked cables ensure safety at high power.Related questions
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